US1055324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: ELECTROLYTIC PRODUCTS CO
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Filing: 1912-04-03
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Granted: 1913-03-11
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Expires: 1932-04-03
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Feldkamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:59
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/28; F01N3/2803; F01N3/2807; F01N3/281; Y; Y10; Y10S; Y10S29/00; Y10S29/012; Y10T; Y10T428/00; Y10T428/12; Y10T428/1234; Y10T428/12347; Y10T428/12361; Y10T428/24; Y10T428/24174
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1916-03-10 | 1916-09-09 | 1917-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-03-10 | 1920-09-09 | 1921-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-03-10 | 1924-09-09 | 1925-03-11 | $7700.00 | Window Closed / Lapsed |